Color

#901dd7

#901dd7
hex#901dd7
rgbrgb(144, 29, 215)
hslhsl(277, 76%, 48%)
oklchoklch(0.523 0.252 306.7)
Closest name: darkviolet (#9400d3)Relative luminance 0.1171

Colors that go with #901dd7

Olive Green, Charcoal and Royal Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#65d71d

#331dd7 · #d71dc2

#d7901d · #1dd790

Split-complementary

Open in tool →

#c2d71d · #1dd733

#d7331d · #65d71d · #1dc2d7

Contrast

#901dd7 as textRatioAAAA largeAAAFix
Aaon white
6.28:1passpassfail
  • AAA: use #841bc5 as the text (7.13:1)
Aaon black
3.34:1failpassfail
  • AA: use #a743e5 as the text (4.58:1)
  • AAA: use #c078ed as the text (7.15:1)
  • AA: or shift the background to #dbdbdb (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #901dd7 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#901dd7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #901dd7
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #901dd7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/901dd7-b99cc4-bdcb62-2d1f2c-eae9f1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md